A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 4140-01-224-7662
NSN 6135-01-390-7364
NSN 5930-01-359-4133
NSN 6135-00-182-7008
NSN 5910-01-416-6045
NSN 6610-00-925-0935
NSN 6240-01-331-3410
NSN 6105-00-275-0826
NSN 6240-01-474-5446
NSN 5935-00-161-3429
NSN 5920-01-060-3177
NSN 5990-00-254-4825